| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |
|---|---|
| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PICA | percutaneous transluminal coronary angioplasty; Porch Index of Communicative Abilities; posterior in... |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
occlusal position
| knee-elbow position | A prone position resting on the knees and elbows, assumed for gynecologic or rectal examination or operation. Synonym: genucubital position. (05 Mar 2000) |
|---|---|
| flank position | A lateral recumbent position, but with the lower leg flexed, the upper leg extended, and convex extension of the upper side of the body; used for nephrectomy. (05 Mar 2000) |
| lateral recumbent position | A position to facilitate a vaginal examination, the patient lying on the side with the under arm behind the back, the thighs flexed, the upper one more than the lower. Synonym: English position, lateral recumbent position, semiprone position. (05 Mar 2000) |
| Fowler's position | An inclined position obtained by raising the head of the bed about 60 to 90 cm to promote better dependent drainage after an abdominal operation. (05 Mar 2000) |
| leapfrog position | A stooping position, such as that taken by children in playing leapfrog, assumed for rectal examination. (05 Mar 2000) |
| frontoanterior position | A cephalic presentation of the foetus with its forehead directed toward the right (right frontoanterior, RFA) or to the left (left frontoanterior, LFA) of the acetabulum of the mother. (05 Mar 2000) |
| frontoposterior position | A cephalic presentation of the foetus with its forehead directed toward the right (right frontoposterior, RFP) or to the left (left frontoposterior, LFP) sacroiliac articulation of the mother. (05 Mar 2000) |
| frontotransverse position | A cephalic presentation of the foetus with its forehead directed toward the right (right frontotransverse, RFT) or to the left (left frontotransverse, LFT) iliac fossa of the mother. (05 Mar 2000) |
| lithotomy position | A supine position with buttocks at the end of the operating table, the hips and knees being fully flexed with feet strapped in position. Synonym: dorsosacral position. (05 Mar 2000) |
| alveolar border | The most occlusal edge of the alveolar bone. Synonym: alveolar process. (05 Mar 2000) |
| anterior border | The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| anterior border of eyelids | The anterior edge of the free margin of each eyelid, along close to which the eyelashes are embedded. Synonym: limbus palpebrales anteriores. (05 Mar 2000) |
| anterior border of fibula | A ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg. Synonym: margo anterior fibulae. (05 Mar 2000) |
| anterior border of lung | The thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces. Synonym: margo anterior pulmonis. (05 Mar 2000) |
| anterior border of pancreas | The sharp margin between the anterior and inferior surfaces of the pancreas. Synonym: margo anterior pancreatis. (05 Mar 2000) |